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Finding the Fourth Proportional to 590,934.80, 886,409.40 and 191,572.40

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Solution

The fourth proportional to 590,934.80, 886,409.40 and 191,572.40 is: 287,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,934.80 : 886,409.40 = 191,572.40 : x
  2. Step 2: Convert to fraction form
    590,934.80/886,409.40 = 191,572.40/x
  3. Step 3: Cross multiply
    590,934.80x = 886,409.40 × 191,572.40
  4. Step 4: Simplify right side
    590,934.80x = 169,811,576,140.56
  5. Step 5: Solve for x
    x = 169,811,576,140.56/590,934.80
  6. Step 6: Final answer
    x = 287,360.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.